diff --git a/package-lock.json b/package-lock.json
index d8e8f6aba..c1d7d42ca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,7 +37,7 @@
                 "ts-jest": "29.2.5",
                 "ts-node": "10.9.2",
                 "typedoc": "0.26.6",
-                "typescript": "5.5.4"
+                "typescript": "5.6.3"
             },
             "engines": {
                 "node": ">=15.0.0",
@@ -19484,9 +19484,9 @@
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         "node_modules/typescript": {
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-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-            "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
+            "version": "5.6.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.3.tgz",
+            "integrity": "sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==",
             "dev": true,
             "license": "Apache-2.0",
             "bin": {
diff --git a/package.json b/package.json
index 7b94a7aee..b3b7b9231 100644
--- a/package.json
+++ b/package.json
@@ -114,7 +114,7 @@
         "ts-jest": "29.2.5",
         "ts-node": "10.9.2",
         "typedoc": "0.26.6",
-        "typescript": "5.5.4"
+        "typescript": "5.6.3"
     },
     "engines": {
         "node": ">=15.0.0",
diff --git a/packages/h5p-rest-example-server/package-lock.json b/packages/h5p-rest-example-server/package-lock.json
index 7f1f4f365..0bf78db17 100644
--- a/packages/h5p-rest-example-server/package-lock.json
+++ b/packages/h5p-rest-example-server/package-lock.json
@@ -37,7 +37,7 @@
                 "@types/passport": "1.0.16",
                 "@types/passport-local": "1.0.38",
                 "ts-node": "10.9.2",
-                "typescript": "5.5.4"
+                "typescript": "5.6.3"
             }
         },
         "node_modules/@aws-crypto/sha256-browser": {
@@ -4311,9 +4311,9 @@
             }
         },
         "node_modules/typescript": {
-            "version": "5.5.4",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-            "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
+            "version": "5.6.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.3.tgz",
+            "integrity": "sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==",
             "dev": true,
             "license": "Apache-2.0",
             "bin": {
diff --git a/packages/h5p-rest-example-server/package.json b/packages/h5p-rest-example-server/package.json
index e8a4a66d3..6e491f86a 100644
--- a/packages/h5p-rest-example-server/package.json
+++ b/packages/h5p-rest-example-server/package.json
@@ -44,6 +44,6 @@
         "@types/passport-local": "1.0.38",
         "@types/passport": "1.0.16",
         "ts-node": "10.9.2",
-        "typescript": "5.5.4"
+        "typescript": "5.6.3"
     }
 }